bird birding Dendrocygna javanica duck ducks flock Incredible India India Indian Whistling Duck Karkala karnataka Lesser Whistling Duck Lesser Whistling Teal Pakshikere Tree Duck whistle whistling duck Whistling Teals Australian beautiful Dendrocygna eytoni eyes Eyton's Plumed feathers grass Grass Whistle Duck Grey or Red-legged Whistler Monkey Duck native nature ornithology plumed pretty Red-legged or Whistling Tree-duck resting standing wandering webbed feet whistling wild birds mates one leg pair walking sitting banded beauty chestnut colored colorful colors coloured colourful colours decorative dendrocygna-eytoni distinct distinctive elegant Eyton's-plumed-duck grass-whistle-duck grazers handsome land-feeders long-necked monkey-duck mottled-beak mottled-bill outstanding paired plumage prominent-lanceolate-plumes red-legged-tree-duck red-legged-whistler tall tree-duck waterbird whistling-tree-duck wildlife camouflaged